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How to Reload ReCaptcha using JavaScript?

... Try this <script type="text/javascript" src="//www.google.com/recaptcha/api/js/recaptcha_ajax.js"></script> <script type="text/javascript"> function showRecaptcha() { Recaptcha.create("YOURPUBLICKEY", 'captchadiv', { them...
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Should I use != or for not equal in T-SQL?

...ANSI SQL Standard defines <> as the "not equal to" operator, http://www.contrib.andrew.cmu.edu/~shadow/sql/sql1992.txt (5.2 <token> and <separator>) There is no != operator according to the ANSI/SQL 92 standard. ...
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What is the difference between the states selected, checked and activated in Android?

...e Stackoverflow: Custom Checkable View which responds to Selector http://www.charlesharley.com/2012/programming/custom-drawable-states-in-android/ http://developer.android.com/guide/topics/resources/drawable-resource.html#StateList http://blog.marvinlabs.com/2010/10/29/custom-listview-ability-ch...
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C# equivalent of the IsNull() function in SQL Server

...-in Cxxx functions. You can see them in my CLR Extensions project http://www.codeplex.com/ClrExtensions/SourceControl/FileView.aspx?itemId=363867&changeSetId=17967 share | improve this answer ...
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PostgreSQL: How to change PostgreSQL user password?

... a role's password without exposing the cleartext password. from https://www.postgresql.org/docs/9.0/static/sql-alterrole.html. share | improve this answer | follow ...
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Android Studio: how to remove/update the “Created by” comment added to all new classes?

...e with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, e...
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Semi-transparent color layer over background-image?

...ckground: linear-gradient(rgba(0,0,0,.5), rgba(0,0,0,.5)), url('http://www.imageurl.com'); } This is because the linear gradient function creates an Image which is added to the background stack. https://developer.mozilla.org/en-US/docs/Web/CSS/linear-gradient ...
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Uppercase or lowercase doctype?

... The standard for HTML5 is that tags are case insensitive. http://www.w3schools.com/html5/tag_doctype.asp More Technically: (http://www.w3.org/TR/html5/syntax.html) A DOCTYPE must consist of the following components, in this order: A string that is an ASCII case-insensitive match for th...
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Targeting position:sticky elements that are currently in a 'stuck' state

...n any such selector either. Feature requests for CSS can be posted to the www-style mailing list. I believe a :stuck pseudo-class makes more sense than a ::stuck pseudo-element, since you're looking to target the elements themselves while they are in that state. In fact, a :stuck pseudo-class was d...
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How to compare variables to undefined, if I don’t know whether they exist? [duplicate]

... a fair amount of javascript, I suggest running code through JSLint http://www.jslint.com it might seem a bit draconian at first, but most of the things JSLint warns you about will eventually come back to bite you. share ...